<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>Example</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
  <div class="buttons">
    <div class="button primary choose-button">选择时间1</div>
    <div class="button primary choose-button">选择时间2</div>
    <div class="button primary choose-button">选择时间3</div>
  </div>

  <!-- 日期选择主体 -->
  <div class="y-custom-date-range-picker">
    <div></div>
    <div class="toolbar clearfix">
      <div class="tags"></div>
      <div class="button cancel">取消</div>
      <div class="button primary save">确定</div>
    </div>
    <div class="dates"></div>
  </div>
</body>
</html>
